Chevy LS 427 LS Next Power Adder Long Blocks

Chevy LS 427 LS Next Power Adder Long Blocks

Chevy LS 427 LS Next Power Adder Long Blocks Shown With Optional Equipment
New! 427 LS Next Long Blocks

Looking To Run An LS Platform Engine With A Turbo, Supercharger Or Nitrous? You're Going To Need One Of These!!

Order One Of Our 427 LONG Blocks For A Strong And Reliable Foundation. Just Pick Your Level Of Strength And We Supply Those High Quality Parts Along With Our World Famous Precision CNC Machine Work And Balancing. The Finishing Touch Is One Of Our Ultra Experienced Race Engine Assemblers Puts Your Short Together With Exact Blueprint Tolerances And The Extra Care Only A True Professional Can Deliver.

  • 427 Bore & Stroke
  • 4.125 x 4.000

Stage I

Rated For Up To 1200 HP

  • Dart SHP LS Next Block
  • Callies/Compstar 4340 Forged Steel Crank (1)
  • Molnar 4340 Turbo Forged Steel Rods
  • ARP 2000 Asymmetrical Rod Bolts
  • Diamond LSX 2K 2618 Forged Pistons>
  • H-13 Steel Wrist Pins
  • AP Steel Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
  • Mallory Included (where necessary)
  • SSRE/Comp Custom Grind Hydraulic Cam
  • Hi-Rev Hydraulic Roller Lifters
  • Cloyes True Roller Timing Set
  • GM Aluminum Front Cover w/Seal
  • GM Aluminum Rear Cover w/Seal
  • GM Aluminum Valley Cover
  • GM LS7 1.8 Rockers Arms w/Bushed Trunions
  • ARP Head Stud Kit For 6 Bolt Heads
  • Chromemoly 3/8 .080" Wall Pushrods
  • Cometic MLS Head Gaskets
  • Melling Race Prepped Oil Pump
  • Holley Hot Rod Retrofit Oil Pan
  • Holley Valve Covers w/Coil Bosses
  • ATI Super Damper Harmonic Balancer
  • Individually Dyno Tested With Carb & intake
  • Your Choice Of LS3 Style Heads

  • AFR Mongoose 260 LS3 Fully CNC Ported Heads
  • or
  • Trick Flow GenX 255 LS3 Fully CNC Ported Heads
  • PAC Racing Hydraulic Roller Springs
  • 8mm Stainless Bead Lock Valves
  • 7° Bead Lock Titanium Retainers
$ 14,375

Stage II

Rated For Up To 1500 HP

  • Dart SHP "Pro" LS Next Block
  • Dragonslayer 4340 Forged Steel Crank (1)
  • Callies Ultra-H 4340 H-Beam Forged Rods
  • ARP 2000 Rod Bolts
  • Diamond LSX 2K 2618 Forged Pistons
  • H13 Steel Wrist Pins
  • AP Steel Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
  • Mallory Included (where necessary)
  • SSRE/Comp Custom Grind Hydraulic Cam
  • Hi-Rev Hydraulic Roller Lifters
  • Cloyes True Roller Timing Set
  • GM Aluminum Front Cover w/Seal
  • GM Aluminum Rear Cover w/Seal
  • GM Aluminum Valley Cover
  • GM LS7 1.8 Rockers Arms w/Bushed Trunions
  • ARP Head Stud Kit For 6 Bolt Heads
  • Chromemoly 3/8 .080" Wall Pushrods
  • Cometic MLS Head Gaskets
  • Melling Race Prepped Oil Pump
  • Holley Hot Rod Retrofit Oil Pan
  • Holley Valve Covers w/Coil Bosses
  • ATI Super Damper Harmonic Balancer
  • Individually Dyno Tested With Carb & intake
  • Your Choice Of LS3 Style Heads

  • AFR Mongoose 260 LS3 Fully CNC Ported Heads
  • or
  • Trick Flow GenX 255 LS3 Fully CNC Ported Heads
  • PAC Racing Hydraulic Roller Springs
  • 8mm Stainless Bead Lock Valves
  • 7° Bead Lock Titanium Retainers
$ 16,500

Stage III

Rated For Up To 2000 HP

  • Dart SHP "Pro" LS Next Block with 1/2" Head Bolts
  • Callies Magnum Fully CCW 4340 Steel Crank (1)
  • Callies Ultra-I 4340 I-Beam Forged Rods
  • Callies/ARP Ultra Bolts
  • Diamond LSX 2K 2618 Forged Pistons
  • H-13 Steel Wrist Pins
  • AP Steel Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
  • Mallory Included (where necessary)
  • SSRE/Comp Custom Grind Hydraulic Cam
  • Hi-Rev Hydraulic Roller Lifters
  • Cloyes True Roller Timing Set
  • GM Aluminum Front Cover w/Seal
  • GM Aluminum Rear Cover w/Seal
  • GM Aluminum Valley Cover
  • Crower Stainless Shaft Rockers
  • ARP Head Stud Kit For 6 Bolt Heads
  • Chromemoly 3/8 .080" Wall Pushrods
  • Cometic MLS Head Gaskets
  • Melling Race Prepped Oil Pump
  • Holley Hot Rod Retrofit Oil Pan
  • Holley Valve Covers w/Coil Bosses
  • ATI Super Damper Harmonic Balancer
  • Individually Dyno Tested With Carb & intake
  • Your Choice Of LS3 Style Heads

  • AFR Mongoose 260 LS3 Fully CNC Ported Heads
  • or
  • Trick Flow GenX 255 LS3 Fully CNC Ported Heads
  • PAC Racing Hydraulic Roller Springs
  • 8mm Stainless Bead Lock Valves
  • 7° Bead Lock Titanium Retainers
$ 17,500
Blocks
Dart LSNext Aluminum Block $3500
Crankshafts
3.622" (388 Cu.In.) Stage I, Stage II or Stage III $Call
3.750" (401 Cu.In.) Stage III Only $Call
Valvetrain
Severe Duty Inconel Exhaust Valves $350
Oil Pumps - Oil Pans - Vacuum Pump
Holley Road Race Baffle For The Retrofit Muscle Car Oil Pan add$225
Lokar Custom Locking & Calibrated Dipstick (Upgrade)Image Close$95